Diffractive optical elements with square concentric rings of equal width

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Alda, Javier
Salgado Remacha, Francisco Javier
Rico-García, José María
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John Wiley & Sons INC
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A diffractive optical element having equal-width concentric square rings is analyzed in this article. This constant width makes possible its realization using spatial light modulators or square pixels phase screens. It allows a simple analytical treatment, and the element is also simulated using the Rayleigh-Sommerfeld approach. An experimental verification of its performance has been compared with the simulated results.
"This is the peer reviewed version of the following article: Alda, J., Sanchez-Brea, L. M., Salgado-Remacha, F. J. and Rico-García, J. M. (2010), Diffractive optical elements with square concentric rings of equal width. Microw. Opt. Technol. Lett., 52: 930–934. doi: 10.1002/mop.25065, which has been published in final form at This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Self-Archiving."
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